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The moon determines when migratory birds head south

A researcher examines a bird. A new study from Lund University in Sweden shows that the presence or absence of moonlight has a considerable bearing on when migratory birds take flight in the autumn.

Gigantic asteroid collision boosted biodiversity on Earth

asteroid collision. Illustration by Don Davis. An international study led by researchers from Lund University in Sweden has found that a collision in the asteroid belt 470 million years ago created drastic changes to life on Earth. The breakup of a major asteroid filled the entire inner solar system with enormous amounts of dust leading to a unique ice age and, subsequently, to higher levels of biodiversity. The unexpected discovery could be relevant for tackling global warming if we fail to reduce carbon dioxide emissions.

How changes in land use could reduce the browning of lakes

Glasses with water samples Over the past 50 years, the water in lakes and watercourses has turned increasingly brown. The so-called browning has a negative impact on both drinking water production and ecosystems. If nothing is done, the water is likely to turn even browner – however, there is hope.

The composition of fossil insect eyes surprises researchers

fossil, crane-fly Eumelanin – a natural pigment found for instance in human eyes – has, for the first time, been identified in the fossilized compound eyes of 54-million-year-old crane-flies. It was previously assumed that melanic screening pigments did not exist in arthropods.

Fear of predators increases risk of illness

Two fishes Predators are not only a deadly threat to many animals, they also affect potential prey negatively simply by being nearby. Researchers at Lund University in Sweden have studied what happens to the prey’s immune system when they are forced to expend a large amount of their energy on avoiding being eaten.

Unique climate model that includes vegetation developed

Landscape with a volcano and a river Researchers at Lund University have contributed to creating a uniquely detailed global climate model that will increase our understanding of climate change. It is the first time that vegetation and land use, at this level of detail, are included in climate modeling within EC-Earth, a global climate and earth system model.

Dung beetles use wind compass when the sun is high

Research experiment with dung beetle Researchers have shown for the first time that an animal uses different directional sensors to achieve the highest possible navigational precision in different conditions. When the sun is high, dung beetles navigate using the wind.

Gardening tips: Five easy ways to contribute to biodiversity

Researcher in garden The greatest threat to biodiversity today is different species losing their habitats. To reverse this trend will require action on many societal levels, and there are simple things you can do in your own garden to help, according to Lund University researchers Anna Persson and Caroline Isaksson.

Geology professor releases new book about… heavy metal

Mats E. Eriksson, geology professor Professor Mats E. Eriksson of Lund University in Sweden is now publishing his second book in the somewhat unusual subject combination of geological fossils and heavy metal music.

Contact

Johan Joelsson
Press Officer
+ 46 46 222 71 86
johan [dot] joelsson [at] science [dot] lu [dot] se